Linux wireless drivers development
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From: "John W. Linville" <linville@tuxdriver.com>
To: linux-wireless@vger.kernel.org
Cc: "John W. Linville" <linville@tuxdriver.com>
Subject: [PATCH] wireless: correct sparse warning in lib80211_crypt_tkip.c
Date: Tue, 20 Jul 2010 12:11:33 -0400	[thread overview]
Message-ID: <1279642293-8781-1-git-send-email-linville@tuxdriver.com> (raw)

  CHECK   net/wireless/lib80211_crypt_tkip.c
net/wireless/lib80211_crypt_tkip.c:581:27: warning: cast to restricted __le16

Caused by dereferencing a "u8 *" and passing it to le16_to_cpu...

Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/wireless/lib80211_crypt_tkip.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/net/wireless/lib80211_crypt_tkip.c b/net/wireless/lib80211_crypt_tkip.c
index 8cbdb32..a7f9956 100644
--- a/net/wireless/lib80211_crypt_tkip.c
+++ b/net/wireless/lib80211_crypt_tkip.c
@@ -578,7 +578,7 @@ static void michael_mic_hdr(struct sk_buff *skb, u8 * hdr)
 	}
 
 	if (ieee80211_is_data_qos(hdr11->frame_control)) {
-		hdr[12] = le16_to_cpu(*ieee80211_get_qos_ctl(hdr11))
+		hdr[12] = le16_to_cpu(*((__le16 *)ieee80211_get_qos_ctl(hdr11)))
 			& IEEE80211_QOS_CTL_TID_MASK;
 	} else
 		hdr[12] = 0;		/* priority */
-- 
1.7.1.1


                 reply	other threads:[~2010-07-20 16:15 UTC|newest]

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